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随着国家对基础建设投资的加大,铁路、公路等大型隧道或地下通道项目逐渐增多,大直径泥水盾构也迅速发展,逐步成为国内繁华城区复杂地层、过江隧道施工的主流设备。北京市繁华城区首次采用大直径泥水盾构施工,本文结合北京铁路地下直径线工程特点和难点,以及项目施工管理经验,提出为满足繁华城区狭小场地大直径泥水盾构施工的管理经验,为类似工程提供借鉴。
With the increase of national investment in infrastructure construction, large tunnels or underground passageways such as railways and highways have gradually increased in number and large-diameter slurry shields have also developed rapidly. They have gradually become the mainstream equipment for complicated stratums and cross-river tunnels in prosperous urban areas in China. For the first time, the construction of large-diameter slurry shield in the prosperous urban area of Beijing is carried out. Based on the characteristics and difficulties of the underground diameter line project of Beijing railway and the project construction management experience, this paper presents the management experience for large diameter slurry shield construction in the small area of downtown Engineering to provide reference.